The brown widow spider (Latrodectus geometricus) is a lesser-known relative of the infamous black widow. The first brown widow spider was discovered in Los Angeles in early 2000. A member of the ...

The black widow spider can be found on every continent except Antarctica. Its venom is toxic and painful, leaving victims to feel the effects long after the bite. Following is a transcript of the ...

Even though this isn’t a hard-and-fast rule, and both types of spiders will bite if they are surprised, you are more likely to be bitten by a black widow spider and a brown recluse spider.

Fortunately, fatalities are fairly rare; the spiders are nonaggressive and bite only in self-defense, such as when someone accidentally sits on them. The animals most at risk from the black widow' ...

For the most part, black widow spiders are regarded as aggressive, especially if they have eggs or a nest nearby, while ...